Fix CMake when compiling with hpp-fcl without Python.

CMakeLists.txt

@@ -219,13 +219,13 @@ IF(BUILD_PYTHON_INTERFACE)
 ENDIF(BUILD_PYTHON_INTERFACE)
 
 
-IF(HPP_FCL_FOUND)
+IF(HPP_FCL_FOUND AND BUILD_PYTHON_INTERFACE)
   LIST(APPEND ${PROJECT_NAME}_PYTHON_HEADERS
       python/geometry-object.hpp
       python/geometry-model.hpp
       python/geometry-data.hpp
     )
-ENDIF(HPP_FCL_FOUND)
+ENDIF(HPP_FCL_FOUND AND BUILD_PYTHON_INTERFACE)
 
 IF(URDFDOM_FOUND)
   LIST(APPEND ${PROJECT_NAME}_MULTIBODY_PARSER_HEADERS

src/CMakeLists.txt

@@ -48,9 +48,11 @@ SET(${PROJECT_NAME}_MULTIBODY_SOURCES
   multibody/parser/sample-models.cpp
   )
 
-SET(${PROJECT_NAME}_MULTIBODY_PARSER_PYTHON_SOURCES
-  multibody/parser/python.cpp
-  )
+IF(BUILD_PYTHON_INTERFACE)
+  SET(${PROJECT_NAME}_MULTIBODY_PARSER_PYTHON_SOURCES
+    multibody/parser/python.cpp
+    )
+ENDIF(BUILD_PYTHON_INTERFACE)
 
 SET(${PROJECT_NAME}_SOURCES ${${PROJECT_NAME}_MULTIBODY_SOURCES})